5197400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 13020000

約数和(自身を除く): 7822600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1999, 2600, 3998, 7996, 9995, 15992, 19990, 25987, 39980, 49975, 51974, 79960, 99950, 103948, 129935, 199900, 207896, 259870, 399800, 519740, 649675, 1039480, 1299350, 2598700, 5197400]

約数ペア:

[(1, 5197400), (2, 2598700), (4, 1299350), (5, 1039480), (8, 649675), (10, 519740), (13, 399800), (20, 259870), (25, 207896), (26, 199900), (40, 129935), (50, 103948), (52, 99950), (65, 79960), (100, 51974), (104, 49975), (130, 39980), (200, 25987), (260, 19990), (325, 15992), (520, 9995), (650, 7996), (1300, 3998), (1999, 2600)]